fixing a typo-bug in the last commit for ep test case
fixing a typo-bug in the last commit for ep test case

ysekky/GPy,befelix/GPy,esiivola/GPYgradients,SheffieldML/GPy,SheffieldML/GPy,ysekky/GPy,esiivola/GPYgradients,esiivola/GPYgradients,befelix/GPy,befelix/GPy,esiivola/GPYgradients,befelix/GPy,ysekky/GPy,SheffieldML/GPy,SheffieldML/GPy,ysekky/GPy